
Forum Weekly
21 Apr 2020
This week’s highlights:
1、Raspberry Pi + IEC61131-3 + NodeRED = Edge Control PLC? This article explains it thoroughly!
2、Suddenly remembered this bold operation, related to stepper motors
3、CC-LINK communication in chemical project applications
4、Why use thermal relays in capacitor compensation cabinets?
5、Life of an industrial control engineer at forty

Previous Selections ▼
Issue 456: Schneider M241 PLC quick output is push-pull type! 【Original Share】 A new perspective on the classic PID controller
Issue 455: How can industrial engineers avoid “technical unemployment”? Discussing my understanding of industrial control
Issue 454: How much do you know about PLC programming? What to do about the large error with encoders?
Issue 453: Is PLC ladder diagram programming low? Is it true that the motor reverses when switching between star and delta starting?
Issue 452: Latest mask machine one-to-two program + circuit diagram; How to write high-quality PLC/PAC programs?
Issue 451: DIY ultra-fine multimeter probes; SMART V2.5 version BUG
Issue 450: Complete information on one-to-two mask machines; How do experts encrypt and decrypt PLC programs?
Issue 449: 【2020 Images】 A brief discussion on electrical drawing standards, half-steel secondary forming machine; Siemens S7-200 and STC12 microcontroller serial communication
Issue 448: A brief discussion on CC-Link IE TSN technology standards; Digging up my dust-covered project – 4D dynamic cinema
Issue 447: The most comprehensive! Schneider Electric automation software summary! Siemens 1200, SMART200, Kunlun Tongtai screen, PGPC and switch connection
Issue 446: PLC and HMI script data type exchange; Analysis of the causes of relay contact burning
Issue 445: Engineers, if you write positioning programs like this, I will be angry! ABB800 driver board AGDR-71C repair case and summary
Issue 444: How does Schneider Electric M241 PLC upload log files via SD card? Function block designed in SCL language, one-click start and stop
Issue 443: 20 types of frequency converter Modbus communication register allocation table; Schneider Electric PLC electronic cam function
Issue 442: 【Source Code】 Implementing fountain control system based on Mitsubishi/Siemens/Omron/Panasonic PLC; Steps to update Omron PLC programming software
Issue 441: Schneider Electric PLC standard instruction library (entry level); Will a 15 kW frequency converter starting a 37 kW fire pump trigger an alarm?
Issue 440: My romantic story with Yonghong PLC; Siemens S7-300 achieving Modbus TCP communication
Issue 439: How to enhance the reliability of signals in small PLC stand-alone systems? #Video# How to set Modbus communication parameters for ATV310 frequency converter?
Issue 438: Is it better to use ST language during programming? Or directly C language? Roll control, doing some small calculations, PLC verification results are correct
Issue 437: Tried buying an oscilloscope, button + relay waveform; Time synchronization between PLC and computer
Issue 436: Does voltage kill or does current kill? DIY 800W 50A 100V electronic load
Issue 435: What major industrial control products and systems were used in Daxing International Airport? Asking for a program to implement a button start-stop using Mitsubishi ST language
Issue 434: Troubleshooting of medium and large power frequency converter drive boards (part 2); How to implement fault alarm mute function?
Issue 433: Siemens S7-200 SMART PLC introductory tutorial; How to handle electrical components that have been soaked in water?
Issue 432: Installing Schneider MachineExpert software; DIY adjustable DC maintenance power supply
Issue 431: Difference between ordinary PLC and safety PLC; Is there any problem with using leakage protection switches extensively? Is it necessary?
Issue 430: A step-by-step guide on how to use S7-1200 to control various brands of servos with a single FB pulse; Motor tripped, first time in over a decade…
Issue 429: Mitsubishi transistor PLC and Mitsubishi frequency converter pulse connection; Sewage pump out of control, does anyone have a good solution?
Issue 428: Has everyone used Delta’s new generation of small PLC AS series? Today, two things went wrong, getting old?
Issue 427: 【Show Code】 Self-compiled PI operation based on FX3U; 【Industrial Dream Chaser】 My story in the automation control profession
Issue 426: Modbus communication programming example (1); 【Industrial Dream Chaser】 A once ordinary ship person
Issue 425: Starting with Modbus to discuss fieldbus (3); 【Industrial Dream Chaser】 PLC standardized programming is always on the road
Issue 424: M200 using MicroSD card for PLC maintenance; Backup battery normal, why does the PLC program disappear when power is cut and card is removed?
Issue 423: Discussing the BMOV instruction issue; How can one become a good electromechanical supervisor?
Issue 422: The round function of PLC without interpolation function, how to write batch judgment?
Issue 421: Supported programming languages of M200; Why can’t high-voltage wires be buried underground?
Issue 420: Siemens SMART memory card downloading method; First intimate contact with Schneider PLC
Issue 419: C# program to read and write Siemens PLC, with source code library file and documentation
Issue 418: First power-up of Schneider TM200CE24R; Circuit breaker nameplate identification (data organization)
Issue 417: A brief discussion on using Siemens GRAPH programming; The relationship between the placement of weighing sensors and test results
Issue 416: Family portrait of Schneider PLC (part 2); If you want the drawings, pay first, is this right?
Issue 415: Two methods for speed control of S7-200 SMART and V90 PN; Repair of Omron 3G3MX2-1.5KW series frequency converter

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